Question

Determine as equações fatorais a seguir :

a) x + 2 = 2!

b) x + 1 = 3!

c) x – 2 = 4!

d) y – 3! = 3!

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Answer 1

a) x = 2! - 2 = 2*1 - 2 = 0

b) x = 3! - 1 = 3*2*1 - 1 = 6-1 = 5

c) x = 4! + 2 = 4*3*2*1 + 2 = 24 + 2 = 26

d) y = 3! + 3! = 2(3!) = 2(3*2) = 12